The force of attraction between two objects is called
gravity
100
An object in space that produces its own heat and light
star
100
EXACTLY How long does it take the Earth to make one revolution around the sun
What 365.25 days or 365 1/4 day
100
What theory states how the universe was created?
big bang theory
100
What causes seasons to change?
the tilt of the earth
200
A ____________________ is an instrument that is used to see things that are far away
telescope
200
One complete trip around the sun is called a ______________________.
Revolution
200
What happens when the moon passes directly between the sun and earth?
Solar Eclipse.
200
What happens when the moon is hidden by Earth's shadow?
lunar eclipse
200
What is the first phase of the moon called? About how long is a moon cycle?
New Moon; About a month
300
A large object that orbits a star but does not give off its own light is a __________________
planet
300
An object in space that circles around another object is a
satellite
300
A natural satellite that orbits a planet is called a
moon
300
How long does it take for Earth to make one rotation on its axis?
24 hours
300
The pull of the moon's gravity on Earth causes ___________________ in large bodies of water
tides
400
The tendency of a moving object to keep moving in a straight line
Inertia
400
A ________________is made of a mixture of frozen gases, ice, dust, and rock.
comet
400
Which stage of a stars cycle is it small and dense?
white dwarf
400
What forms a new nebula?
supernova
400
an object in space that has a gravitational pull so strong that light cannot escape it is called a _________________
black hole
500
Most _______________are located between Mars and Jupiter. Some say they look like potatoes
asteroid
500
Patters formed by stars are called
constellations
500
The surfaces of the inner planets are mostly made of _____________________ and the surfaces of the outer planets are mostly made of _____________________
Rock and gasses
500
Saturns rings are composed of what two things?
Ice and rocks
500
In space they are called ________________. In Earths atmosphere they are called__________________ but usually burn up before they reach Earths surface. If they hit Earth's surface they are called ________________.